<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>入门</title>
    <script src="js/vue-2.7.14.js"></script>
</head>
<body>
<div id="app">
{{message}}
</div>

</body>
</html>
<script>
    new Vue({
        el: "#app",
        data: {
            message: "vue入门"
        },
        methods: {

        }
    })
</script>